<HTML>
<BODY>
<H1>Debug Demo</H1>
<table border="1" width="700">
<tr bgcolor="red">
	<th>Name</th>
	<th>Address</th>
	<th>Phone</th>
</tr>
<?php
$db = array(
		array ("John", "E 10th St., NYC, NY 23742", "(212) 555-4456"),
		array ("Francois", "12 Bd. de Grenelle, Paris, 74897","(33) 433-544"),
		array ("Klaus", "312 Beethoven St., Frankfurt, Germany", "(44) 332-8065"),
		array ("Shirly", "72 Independence St., Tel Aviv, Israel 67283", "(972) 156-7777"),
		array ("Bill", "127 Maine St., San Francisco, CA 90298", "(415) 555-6565")
	  );

	  
	  
	  
/**
 * @return string
 * @param int $i
 * @desc Returns 'white' for even numbers and 'yellow' for odd numbers
 */
function row_color($i)
{
	$bgcolor1 = "white";
	$bgcolor2 = "yellow";

	if ( ($i % 2) == 0 ) {
		return $bgcolor1;
	} else {
		return $bgcolor2;
	}
}


/**
 * @return void
 * @desc Displays a table of the workers
 */
function display_workers()
{
	global $db;

	for ($i=0, $n=count($db); $i<$n; $i++) {
	    $worker_data = $db[$i];

	    $worker_name = $worker_data[0];
	    $worker_address = $worker_data[1];
	    $worker_phone = $worker_data[2];
	    print "<tr bgcolor=\"".row_color($i)."\">\n";
	    print "<td>$worker_name</td>\n";
	    print "<td>$worker_address</td>\n";
	    print "<td>$worker_phone</td>\n";
	    print "</tr>\n";
	}
}

display_workers();

echo $undefined_variable;
?>

</table>
</BODY>
</HTML>